Nat DA80-010 Installation And Operation Manual
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Nat DA80-010 Installation And Operation Manual

Da80 series intercom system digital intercom system
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SM57
DA80 Series
DigiVOX™ Digital Intercom
DA80-001
DA80-010
AUTO
PTT
INSTALLATION AND OPERATION MANUAL
REV 4.10 October 13, 2004
Northern Airborne Technology Ltd.
1925 Kirschner Road
Kelowna, BC, Canada.
V1Y 4N7
Telephone (250) 763-2232
Facsimile (250) 762-3374
Copyright 2004 by Northern Airborne Technology
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

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Summary of Contents for Nat DA80-010

  • Page 1 SM57 DA80 Series DigiVOX™ Digital Intercom DA80-001 DA80-010 AUTO INSTALLATION AND OPERATION MANUAL REV 4.10 October 13, 2004 Northern Airborne Technology Ltd. 1925 Kirschner Road Kelowna, BC, Canada. V1Y 4N7 Telephone (250) 763-2232 Facsimile (250) 762-3374 Copyright 2004 by Northern Airborne Technology...
  • Page 2 SM57 Rev. 4.10 DA80 Series DigiVOX™ Digital Intercom Manual Periodically NAT will release manual amendments. In order to maintain the most accurate and up to date manual these amendments should be carried out immediately upon receipt and recorded on the following amendment record.

  • Page 3: Table Of Contents

    SM57 Rev. 4.10 DA80 Series DigiVOX™ Digital Intercom Manual Table of Contents Section Title Page Description Introduction Purpose of Equipment Features Specifications 1.4.1 Electrical Specifications 1.4.2 Physical Specifications 1.4.3 Environmental Specifications Unit Nomenclature Installation Introduction Unpacking and Inspection 2.2.1 Warranty Installation Procedures 2.3.1 Warnings...

  • Page 4: Description

    For the DA80-001, this mode is selected when the VOX SQUELCH knob is set to the fully clockwise position, and for the DA80-010, it is selected when the VOX SQUELCH knob is set to the fully counterclockwise (ccw) position.

  • Page 5: Specifications

    Quantity: 4 Microphone channels 1 Receive channel 2 Music channels (Left, Right) 2 Transmit key lines 1 Intercom key line (DA80-010 only) Rated Level: 250 mVrms for microphone inputs 2.5 Vrms for receive input 500 mVrms for music inputs Page 1-2 Oct 13, 2004 ENG-FORM: 800-0107.DOT...
  • Page 6 DA80 Series DigiVOX™ Digital Intercom Manual DA80-001 only Transmit PTT<10 mA input current, active low (3 Vdc max.) DA80-010 only Transmit Key <15 mA input current, active low (3 Vdc max) ICS Key <15 mA input current, active low (3 Vdc max) 1 kΩ...

  • Page 7: Physical Specifications

    -55° C to +85° C Altitude 50,000 ft Humidity Shock: Operational Crash Safety 15 g Qualification: DA80-001: DO-160C Env. Cat. A1/D1-XAB[(SBM)(UF)]XXXXXXZBABAXMXXXX DA80-010: DO-160D Env. Cat. A1/D1-BAB[(SBM)(UF)]XXXXXXZBABA[UUX]LXXXX Page 1-4 Oct 13, 2004 ENG-FORM: 800-0107.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

  • Page 8: Unit Nomenclature

    Music muted during ICS and radio operations. Individual mic gating. Bi-color LED. ICS volume and VOX Squelch controls. Live, VOX and AutoVOX™ Intercom modes. DA80-010 4 place operation. Music muted during ICS and radio operations. Individual mic gating. Bi-color LED.

  • Page 9: Installation

    2.2.1 Warranty Complete the warranty card information and send it to NAT when the installation is complete. If you fail to complete the warranty card, the warranty will be activated on date of shipment from NAT. Note: An appropriately rated facility, e.g. Certified Aircraft Repair Station, must install this equipment in accordance with applicable regulations.

  • Page 10: Installation Procedures

    DA80 Series DigiVOX™ Digital Intercom Manual SM57 Rev. 4.10 Installation Procedures 2.3.1 Warnings Do not bundle any lines from this unit with transmitter coax lines. Do not bundle any audio or DC power lines from this unit with 400 Hz synchro wiring or AC power lines. Do not position this unit or wiring from this unit next to any device with a strong alternating magnetic field such as an inverter, or significant audio interference will result.

  • Page 11: Cabling And Wiring

    SM57 Rev. 4.10 DA80 Series DigiVOX™ Digital Intercom Manual 2.3.4 Cabling and Wiring All unshielded wire should be Tefzel MIL-M-22759 or equivalent. For shielded wire applications, use Tefzel MIL-C-27500 shielded wire with solder sleeves (for shield terminations) to make the most compact and easily terminated interconnect. Follow the wiring diagrams in Section 2.6 as required.

  • Page 12: Installation Options

    The DA80 DigiVOX™ is designed to be used in place of the AA80-001 InterVOX™ unit. When using a portable cassette/CD player with the DA80, NAT recommends that the phone output should be used for interface to increase tone control and volume. (The ‘line out’...

  • Page 13: Mechanical Installation

    SM57 Rev. 4.10 DA80 Series DigiVOX™ Digital Intercom Manual 2.3.7 Mechanical Installation The DA80 Digital Intercom can be installed in any attitude, using the DA80-IKC Installation kit (refer to Section 2.5 for details). For proper installation, refer to Mounting Diagram (DA80\xxx\920-0, where xxx represents the model of the unit under consideration) and the following steps: Before proceeding to install the DA80 into the aircraft, secure the black metal faceplate to the DA80 with one mounting screw (countersink holes facing out).

  • Page 14: Post-Installation Checks

    Check P101, pin <1> for +12 to 30 Vdc relative to ground. Check P101, pin <14> for continuity to ground (less than 0.5 Ω). For the DA80-010 only, check P101, pin <25> for continuity to ground (less than 0.5 Ω) when the ICS KEY is activated.

  • Page 15: Continued Airworthiness

    An installation kit is required to complete the installation. The DA80-IKC (crimp) is supplied with the unit, and consists of the following: DA80-IKC (crimp) Quantity Description NAT Part # Hole Overlay Drill Template 43-10-085 Front Label (Lexan) 43-41-080 Rectangular Black Faceplate (Blank)
  • Page 24 VOLUME SQUELCH PILOT ISO MIN. MAX. AUTO Digi DA80...

  • Page 25: Operation

    SM57 Rev. 4.10 DA80 DigiVOX™ Digital Intercom Manual Section 3 Operation Introduction Information in this section consists of the functional and operational procedures for the DA80 Series DigiVOX™ Digital Intercoms. Throughout this section the unit will be referred to as the DA80, and information provided will be common to all models unless noted otherwise.

  • Page 26: Ics Volume Control

    DA80 Series DigiVOX™ Digital Intercom Manual SM57 Rev. 4.10 3.3.1.2 PILOT ISO The PILOT ISO position isolates the pilot from all intercom and music functions. The aircraft radio connects to the pilot’s mic and headset directly. The copilot and passengers will not be able to hear the aircraft radio audio, but will retain intercom and music functions.

  • Page 27: Tx/Ics Indicator

    DA80 DigiVOX™ Digital Intercom Manual 3.3.3.2 DA80-010 The DA80-010 VOX SQUELCH control is marked AUTO in its fully ccw position, and PTT in its fully cw position. When the VOX SQUELCH control is set fully cw (PTT), the microphones will be muted except when the intercom PTT line is activated (grounded).

  • Page 28: Music Mute Functions

    Mute ICS Key Mute Mute (DA80-010 only) 3. 4.2.1 DigiVOX™ Mode In DigiVOX™ mode, music audio will mute at all positions when any crew member ‘Keys’ the radio. Music will also mute whenever aircraft radio audio is present or if the ICS is active.

This manual is also suitable for:

Da80-001

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